You can't write music right [...] until you know how the man that'll play it plays poker. - Duke Ellington

There are simply two kinds of music, good music and the other kind ... the only yardstick by which the result should be judged is simply that of how it sounds. If it sounds good it's successful; if it doesn't it has failed.

[Y]ou've got to write with certain men in mind. You write just for their abilities and natural tendencies and give them places where they do their best—certain entrances and background stuff. You got to know each man to know what he'll react well to. One guy likes very simple ornamentation; another guy likes ornamentation better than the theme because it gives him a feeling of being a second mind. Every musician has his favorite licks and you gotta write to them.

Roaming through the jungle of "oohs" and "ahs," searching for a more agreeable noise, I live a life of primitivity with the mind of a child and an unquenchable thirst for sharps and flats.